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Anyone make bearings to fit a kz axel into a Harley rim ? was created by kawsakiman

01 Jun 2025 17:11
kawsakiman's Avatar kawsakiman
I have a 250 spoked rim and tire for a dyna, wondering if anyone makes bearings so I can swap it onto my Clubman swingarm ?

Replied by Rolf1976_KZ900 on topic Attachment Test

30 May 2025 10:22
Rolf1976_KZ900's Avatar Rolf1976_KZ900
Sorry to hear you had a stroke Rolf ! Sounds like you a threaded a needle, being able to ride this soon afterward.  Must be good energy !
Good on Ya !

No, while I've had my share of medical issues, I'm in relatively good health.
Although, were it not for the health care system here I'd be dead a couple of times over.

I built that 750 into a trike because I had two of 'em, same color and all, and it was either it or an old Indian Chief I had. I just couldn't imagine chopping up the frame of the Indian.
The only thing I modified on the 750 was the swing arm and I've got a spare already.
I only posted that video because it was mine and it was a smaller video file.
I've got the finished demo ride video hosted on youtube.



Bill/KZQ
Here's a pic of my KZ900. The pic is pretty old but that's what it looks like today. It'd be ready to ride if I just added fuel.

www.kzrider.com/photo-gallery/kz900?i=kz900-1-

I see that linking to the Gallery actually opens the Gallery with a new tab. Better,n using the Back button.
Bill
 
That was good to hear you are in shape Bill!.Also good to hear you did not chop up a indian chief!!
yes i think i was lucky  after all  things i have experienced from drowning in a pool as a kid 3 bad motorcycle accidents plus other accidents  and health vice stuff  that i should not have survived  i now trust in the lord .It seems he dont want me to die yet.I had my 4th heart attack in november operated 2 times. after 4 different docs did several ultrasound checks on my heart they  told me my heart was now damaged not able to pump good enough and i was diagnosed with heartfailure. I told them that i refuse that and that i will train it back up and that god will repair my heart. The dock said.. well it is good you have beliefe and looked like there was no  hope for me.
on my first walks after that i got out of breath and exhaused after just valking 100 meters. after a while started working out to some heart
rehab videos and prayed alot.I have almost always been working out and body fitness is ok , but now i cold not lift even light weights. i did after one month and  ended up in ER again .They found i had more blockage and a  imploded heart chamber so they placed 3 more stents i have 9 now in total . After that i felt better and started training light to the heartfailure vids and prayed.i then  felt  much better and stronger day by day then afer som more weeks and training they did a ultrasound check again and the docs told me my heart was now
working perfect !!!  he said it was working perfect pump capacity the er fraction was now 62% wich is normal for a healty heart. it was down at  24 or 32% when they said i had heart failure.He said that  now my heart was like new!!.After that i have been working out lightly
taking some hiking trips  in hills taking walks up to my favorite fishing /recreation lake  Hawk-lake.

Then april 10th i woke up and could not see properly and my left arm chest  and shoulder was numb and one leg was strange to walk on and it was like my right side of head was crushed inward.I made it to the bathroom i cold see a little ,but it was a big black spot in vision and when i 
splashed some water i face i cold not feel it very strange.I then had to call ER because it did no go away.
Then i ended up in the stroke room at hospital.Tey told me it was not much to do because i already taking the
meds they want to give me.I started fast to get my vision back and it is now almost 100% only right eye has some
small black spots.My numb left arm and shoulder is also much better but i varies from day to day but progressing.
i was not allowed to drive for 30 days. but that is over so i can ride.Only problem is sitting on computer watching tv
or phone screens and headache and some fatigue.The light from screens reflect in eyes..So for me all i can do is trust 100% in the lord he can do things no doctors manage or understand miracles!.I now use to say i will not die i will live long and tell about the miracles god can do
 

Replied by Wookie58 on topic And finally, Wookie's 82 begins !

26 May 2025 13:00
Wookie58's Avatar Wookie58
Another busy weekend draws to a close :) pretty much wrapped up the handlebar furniture (still need to fit new grips) and the front end wiring is in (the clocks are away now to have the odometer re-set to zero) also got the front end hydraulics in (ran out of time for the rear and it will be a fiddle as the hose runs through the swingarm) Was a bit of a PITA making the hoses on the bike but that was determined by the routing (why do things the easy way !!!) also need to sort some clips for the front hoses to keep them off the fender









 

Replied by Kelly E on topic 1987 ZG1000 parts bike with title

10 May 2025 12:35
Kelly E's Avatar Kelly E
It won't work because the swingarm mounting area is wider and different. There's castings in the frame there. It's the same basic motor as the other liquid cooled 1000cc bikes but tuned for torque. The bike was built for long distance rides, does it very well and you can have a lot of fun along the way. They handle really well and you won't scrape parts in the corners like a Goldwing.

Replied by Wookie58 on topic Bike of the Month.

01 May 2025 12:40 - 01 May 2025 12:41
Wookie58's Avatar Wookie58
Staying in the US for May with this stunning black Ltd from Joseph. The bike has a poignant back story involving the loss of a great friend, there is perhaps a lesson for all of us here given that another great builder “Indian Larry” was also lost in a similar “freak accident”. You will see alongside the “main feature bike” I have included some pics of Joe’s other KZ a beautiful 1327 “Pro-Street” not just because it’s gorgeous but more importantly this bike also has links to Joe’s great friend Vinny.
Well, the story goes that my very good friend and bike builder Vinny Cira passed away on the bike. Vinny and I built numerous bikes over the last 25 or so years. Vinny was an auto body painter and loved colour. He had built KZs in the colours Lamborghini red, yellow and orange. I've always had a black KZ1000 (three in fact) and we called them my cruisers as they could run on pump gas and go anywhere. Every one I built sold rather quickly and I used to tell him because it was black. Vinny didn't care for black bikes but did like mine. Vinny painted my 75 Z1 pro street in PPG radiance colour line and it has three colours. We did it twice (but that is another story!) Another friend and Vinny had gone down to PA to buy two bikes and brought them up to NY to a self storage unit. Our other friend Tom was the purchaser and is a great engine builder... he has several KZs and planned to restore this particular bike. At the storage unit after unloading, Tom decided he wanted to take the bike to his house not far from where they were at. Vinny said “let me warm up the bike and oil” ( easier to drain it).... making a few short laps around the storage area. No helmet and unfortunately he hit a loose metal drainage grate at less than 15 miles an hour and the bike jerked him off, the bike landing on his head. He passed away a couple days later. I have to add that Vinny was a very experienced rider... crazy how this happened and haunts me to this day. The bike sat in the impound lot for a crazy amount of time due to the death,  I told Tom I wanted to buy it, he agreed and I was able to buy it and carry out a complete “redo” of the bike.More resto mod as it has a few I think upgrades... GS1150 swingarm.... 18 front mag wheel and brand new Murray X Pipe... all new throttle speedo tach and clutch cables. Brand new custom seat and pan. The bike was a frame off complete. Powder coated frame swingarm brake callipers  triple trees battery box etc. Every harness and electronics on the bike including lights and controls are brand new. Complete dyna 2000 ignition and brand new tires (16 rear 18 front). Brand new Mikuni 34 flatslides. Every single nut bolt and washer was chromed including axles and engine covers and velocity stacks. Lower engine painted black. New “all balls” steering head and wheel bearings seals and completely rebuilt brake callipers and rear master cylinder. Front master cylinder is brand new. All engine seals and gaskets replaced. Braided brake lines. I have no intention to tear into this engine as it had very low miles other than I added a pan gate in the oil pan and adjusted valves. Besides, I have a built 1327cc Pro street 1975 Z1 for different days. Building the bike was a labour of love and so many things come to mind as I write this. Vinny and I both loved the sound of the Murray X pipe as Tommy has one on a bike of his.....making contact with Dennis Murray and actually buying one from him was priceless. Vinny and I rode many days and nights together with great friends from all walks of life and different riding styles from Harley guys and crotch rockets to pro street guys. It didn't matter what you were riding as long as you were in the wind. Ironically this is bike number 11 that I have been involved in building and they say that has a religious ring to it. It's been therapeutic building this one and I think of him all the time,,, especially when I ride this bike.






























 

Replied by KzEnormous on topic 86 87 GSXR750 or GSXR1100 wheels on a KZ1000

19 Apr 2025 13:35
KzEnormous's Avatar KzEnormous
I've never tried this swap on a Kz, but I did put 87GSXR750 wheels on my 82GS1100, which was a popular thing back in the day. CalFab swing arm, spacers and offset sprocket did the trick. 


 
Anyone have a GS1100 swingarm they could measure?

I just dumped the one I had sitting around for 36 years  : (

Replied by DOHC on topic 86 87 GSXR750 or GSXR1100 wheels on a KZ1000

19 Apr 2025 06:39
DOHC's Avatar DOHC
I've never tried this swap on a Kz, but I did put 87GSXR750 wheels on my 82GS1100, which was a popular thing back in the day. CalFab swing arm, spacers and offset sprocket did the trick. 

 

I wonder if the GS1100 swingarm is wider.  I had one a while ago but sold it.  I did install it briefly on an '80 kZ1000, using the stock KZ wheel and caliper, and I recall it was an easy swap.  

But for the GSXR wheel, if the left arm extends farther out to the left side of the bike it would be easier to center the GXSR wheel.  

Anyone have a GS1100 swingarm they could measure?

Replied by KzEnormous on topic 86 87 GSXR750 or GSXR1100 wheels on a KZ1000

18 Apr 2025 16:22 - 18 Apr 2025 16:34
KzEnormous's Avatar KzEnormous
I've never tried this swap on a Kz, but I did put 87GSXR750 wheels on my 82GS1100, which was a popular thing back in the day. CalFab swing arm, spacers and offset sprocket did the trick. 

Replied by DOHC on topic 86 87 GSXR750 or GSXR1100 wheels on a KZ1000

17 Apr 2025 18:36 - 17 Apr 2025 18:37
DOHC's Avatar DOHC
577nitro lays it out clear enough in his post. It sounds like it is gonna take a a bit of machining and fabrication on many components but fairly straight forward - assuming the GPZ1100 is reasonably close in dimensions to KZ1000. How much lighter are the GSX-R wheels than the KZ?


 

Not really.  He mentions milling the from wheel to fit, adding spacers, and the rear brake caliper.  But no details about what may have been done to the rear wheel or sprocket carrier.

As for the weight, here is what I measured for the wheel itself, with nothing but the wheel bearings installed:

78 Z1R rear 18x2.15:  6.070 kg
86 gsxr1100 rear, 18x4:  6.690 kg
Lester rear kz1000 (4 bolt disc):  6.730 kg

so it's not about the weight (clearly).  I just want a wider 18" wheel.  Even the Lester I have is the same 2.15" width as the stock wheel. 

The rear wheels from the GSXR750 is 18x3.5", and GSXR1110 is 18x4".  The fronts are also 18", at 2.5" and 2.75" width.

To the best of my knowledge you will definitely need an offset sprocket to allow the wheel to run central. The GSXR sprocket carrier looks very similar to the MK2 bandit item I am using (20mm axle) I have included a pic of my cut down carrier compared to a GSXR unit. The red line shows where the sprocket mounting bolts sit so still plenty of meat to secure the sprocket with 11.5mm removed. The MK2 bandit calliper hanger also has plenty of meat to allow trimming :)

 

That sprocket carrier of yours does look like it's pretty much the same design.  I added a green line to your photo. 

 

That green line follows a surface that slopes out (increases in diameter as it gets closer to the base).  The casting wall thickness is roughly constant, so the inside wall follows the outside.  If one were to continue to cut that center hub surface (centering surface for the sprocket) straight down, at some point it would cut through the casting wall and the entire center bearing carrier would fall off.  It may still have enough meat for the bolts that hold on the sprocket, but I think it wouldn't be very useful without the bearing.  :)

I still need to try to figure out how to take some real measurements.  It's not so much about the chain location, but how much the wheel needs to move over to the left in order to be close to centered in the swingarm.  If it needs to move 10-15mm, that's probably fine.  If it needs to move 30 or 40mm, then things probably get harder.

Replied by KzEnormous on topic New member - California

16 Apr 2025 21:26
KzEnormous's Avatar KzEnormous
Got the bikes out, a little more abused then I remembered. The Makuni 28's were actually in a box behind the bike and installed on it were a rack of CV's from a 82 Kz. Also in the box were Makuni RS 38's that normally lived on the GS1100, which I had been using on the Kz for a bit. Looking forward to working on both bikes again. Both bikes have CalFab swing arms and Kerker headers/exhaust, megaphone style on Kz and Comp on Gs.

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